0_0_14953570_13489.cpp: In function 'void bfs()': 0_0_14953570_13489.cpp:20:9: error: expected ';' before 'for' for (int i=0;i<26;++i) ^ 0_0_14953570_13489.cpp:20:22: error: 'i' was not declared in this scope for (int i=0;i<26;++i) ^